Section 52(1)(d) in The Trade And Merchandise Marks Act, 1958
(d)may be cancelled by the Registrar of his own motion or on the application in writing in the prescribed manner of any person, on the ground that any stipulation in the agreement between the registered proprietor and the registered user regarding the quality of the goods in relation to which the trade mark is to be used is either not being enforced or is not being complied with;